27 cathedrals visited by Giorgos Stefan

Alexander Nevsky Cathedral

Alexander Nevsky Cathedral

Barcelona Cathedral

Basilica de San Francisco el Grande

Berlin Cathedral

Cathedral of Santa Maria del Fiore

Christ Church Cathedral

Cologne Cathedral

Duomo di Siena

Helsinki Cathedral

8

Karlskirche

Lisbon Cathedral

Notre Dame de Paris

Oslo Cathedral

9

Patriarchal Cathedral of Saints Constantine and Helena

Pisa Cathedral

Saint Spyridon Church

Saint Stephen Cathedral

Saint Vitus Cathedral

Salzburg Cathedral

St Mark's Basilica

St Paul's Cathedral

St. Patrick's Cathedral

St. Patrick's Cathedral

St. Peter's Basilica

Uspenski Cathedral

Wawel Cathedral